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Finding the Third Proportional to 13,025 and 19,105

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Solution

The third proportional to 13,025 and 19,105 is: 28,023.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,025 : 19,105 = 19,105 : x
  2. Step 2: Convert to fraction form
    13,025/19,105 = 19,105/x
  3. Step 3: Cross multiply
    13,025x = 19,105 × 19,105
  4. Step 4: Simplify right side
    13,025x = 365,001,025
  5. Step 5: Solve for x
    x = 365,001,025/13,025
  6. Step 6: Final answer
    x = 28,023.11

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.